The parathyroid hormone causes all of the following except:
A) increase of the absorption of calcium by the kidney.
B) stimulation of the activity of osteoblasts.
C) stimulation of the activity of osteoclasts.
D) stimulation of vitamin D synthesis.

Question

Quizplus · Accepted Answer

The parathyroid hormone stimulates the activity of osteoclasts, which in turn leads to the breakdown of bone tissue and the release of calcium into the bloodstream. It also increases the absorption of calcium by the kidneys and stimulates vitamin D synthesis. However, it does not stimulate the activity of osteoblasts, which are responsible for bone formation.

The Parathyroid Hormone Causes All of the Following Except